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READY: DHTCommunity #3642
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READY: DHTCommunity #3642
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Original file line number | Diff line number | Diff line change |
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import sys | ||
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from twisted.internet.defer import succeed | ||
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from Tribler.Test.ipv8_base import TestBase | ||
from Tribler.Test.mocking.ipv8 import MockIPv8 | ||
from Tribler.Test.util.ipv8_util import twisted_wrapper | ||
from Tribler.Test.Core.base_test import MockObject | ||
from Tribler.community.dht.community import DHTCommunity | ||
from Tribler.community.dht.routing import distance, Node | ||
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class TestDHTCommunity(TestBase): | ||
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def setUp(self): | ||
super(TestDHTCommunity, self).setUp() | ||
self.initialize(DHTCommunity, 2) | ||
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def create_node(self): | ||
return MockIPv8(u"curve25519", DHTCommunity) | ||
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@twisted_wrapper | ||
def test_routing_table(self): | ||
yield self.introduce_nodes() | ||
yield self.deliver_messages() | ||
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node0_id = self.nodes[0].overlay.my_node_id | ||
node1_id = self.nodes[1].overlay.my_node_id | ||
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node0_bucket = self.nodes[0].overlay.routing_table.get_bucket(node1_id) | ||
node1_bucket = self.nodes[1].overlay.routing_table.get_bucket(node0_id) | ||
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self.assertTrue(node0_bucket and node0_bucket.prefix_id == u'') | ||
self.assertTrue(node1_bucket and node1_bucket.prefix_id == u'') | ||
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self.assertTrue(node1_bucket.get(node0_id)) | ||
self.assertTrue(node0_bucket.get(node1_id)) | ||
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@twisted_wrapper | ||
def test_ping_pong(self): | ||
yield self.introduce_nodes() | ||
d = self.nodes[0].overlay.ping(self.nodes[1].my_peer) | ||
yield self.deliver_messages() | ||
self.assertEqual((yield d), self.nodes[1].my_peer) | ||
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yield self.nodes[1].unload() | ||
d = self.nodes[0].overlay.ping(self.nodes[1].my_peer) | ||
yield self.deliver_messages() | ||
self.assertFailure(d, RuntimeError) | ||
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@twisted_wrapper | ||
def test_ping_all(self): | ||
yield self.introduce_nodes() | ||
bucket = self.nodes[0].overlay.routing_table.trie[u''] | ||
node1 = bucket.get(self.nodes[1].overlay.my_node_id) | ||
node1.failed = 1 | ||
node1.last_response = 0 | ||
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yield self.nodes[0].overlay.ping_all() | ||
self.assertTrue(node1.failed == 0) | ||
self.assertNotEqual(node1.last_response, 0) | ||
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node1.failed = 1 | ||
yield self.nodes[0].overlay.ping_all() | ||
self.assertTrue(node1.failed == 1) | ||
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@twisted_wrapper | ||
def test_store(self): | ||
yield self.introduce_nodes() | ||
d = self.nodes[0].overlay.store('\00' * 20, 'test1') | ||
yield self.deliver_messages() | ||
self.assertIn(self.nodes[1].my_peer, (yield d)) | ||
self.assertEqual(self.nodes[1].overlay.storage.get('\00' * 20)[0], 'test1') | ||
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yield self.introduce_nodes() | ||
self.nodes[1].unload() | ||
d = self.nodes[0].overlay.store('\00' * 20, 'test2') | ||
yield self.deliver_messages() | ||
self.assertFailure(d, RuntimeError) | ||
self.assertEqual(self.nodes[1].overlay.storage.get('\00' * 20)[0], 'test1') | ||
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@twisted_wrapper | ||
def test_find_nodes(self): | ||
yield self.introduce_nodes() | ||
d = self.nodes[0].overlay.find_nodes('\00' * 20) | ||
yield self.deliver_messages() | ||
nodes = (yield d) | ||
self.assertItemsEqual(nodes, [Node(n.my_peer.key.pub().key_to_bin(), n.my_peer.address) for n in self.nodes[1:]]) | ||
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@twisted_wrapper | ||
def test_find_values(self): | ||
yield self.introduce_nodes() | ||
self.nodes[1].overlay.storage.put('\00' * 20, 'test', 60) | ||
d = self.nodes[0].overlay.find_values('\00' * 20) | ||
yield self.deliver_messages() | ||
values = (yield d) | ||
self.assertEqual(values[0], 'test') | ||
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@twisted_wrapper | ||
def test_move_data(self): | ||
self.nodes[0].overlay.storage.put(self.nodes[1].overlay.my_node_id, 'test', 60) | ||
self.nodes[0].overlay.on_node_discovered(Node(self.nodes[1].overlay.my_peer.key, | ||
self.nodes[1].overlay.my_peer.address)) | ||
yield self.deliver_messages() | ||
self.assertIn('test', self.nodes[1].overlay.storage.get(self.nodes[1].overlay.my_node_id)) | ||
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@twisted_wrapper | ||
def test_caching(self): | ||
# Add a third node | ||
node = MockIPv8(u"curve25519", DHTCommunity) | ||
self.add_node_to_experiment(node) | ||
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# Sort nodes based on distance to target | ||
self.nodes.sort(key=lambda n: distance(n.overlay.my_node_id, '\x00' * 20), reverse=True) | ||
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self.nodes[0].overlay.on_node_discovered(Node(self.nodes[1].my_peer.key, | ||
self.nodes[1].my_peer.address)) | ||
self.nodes[1].overlay.on_node_discovered(Node(self.nodes[2].my_peer.key, | ||
self.nodes[2].my_peer.address)) | ||
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self.nodes[2].overlay.storage.put('\x00' * 20, 'test1', 60) | ||
yield self.nodes[0].overlay.find_values('\x00' * 20) | ||
yield self.deliver_messages() | ||
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self.assertEqual(self.nodes[1].overlay.storage.get('\x00' * 20), ['test1']) | ||
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@twisted_wrapper | ||
def test_maintenance(self): | ||
yield self.introduce_nodes() | ||
yield self.deliver_messages() | ||
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bucket = self.nodes[0].overlay.routing_table.get_bucket(self.nodes[1].overlay.my_node_id) | ||
bucket.last_changed = 0 | ||
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mock = MockObject() | ||
mock.is_called = False | ||
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# Refresh | ||
self.nodes[0].overlay.find_values = lambda *args: setattr(mock, 'is_called', True) | ||
self.nodes[0].overlay.maintenance() | ||
self.assertNotEqual(bucket.last_changed, 0) | ||
self.assertTrue(mock.is_called) | ||
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mock.is_called = False | ||
prev_ts = bucket.last_changed | ||
self.nodes[0].overlay.maintenance() | ||
self.assertEqual(bucket.last_changed, prev_ts) | ||
self.assertFalse(mock.is_called) | ||
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# Republish | ||
mock.is_called = False | ||
self.nodes[0].overlay.storage.data['\x00' * 20] = [(0, 60, 'test')] | ||
self.nodes[0].overlay.store = lambda *args: setattr(mock, 'is_called', True) | ||
self.nodes[0].overlay.maintenance() | ||
self.assertTrue(mock.is_called) | ||
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mock.is_called = False | ||
self.nodes[0].overlay.storage.data['\x00' * 20] = [(sys.maxint, 60, 'test')] | ||
self.nodes[0].overlay.maintenance() | ||
self.assertFalse(mock.is_called) | ||
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class TestDHTCommunityXL(TestBase): | ||
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def setUp(self): | ||
super(TestDHTCommunityXL, self).setUp() | ||
self.initialize(DHTCommunity, 25) | ||
for node in self.nodes: | ||
node.overlay.ping = lambda _:succeed(None) | ||
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def create_node(self): | ||
return MockIPv8(u"curve25519", DHTCommunity) | ||
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def get_closest_nodes(self, node_id, max_nodes=8): | ||
return sorted(self.nodes, key=lambda n: distance(n.overlay.my_node_id, node_id))[:max_nodes] | ||
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@twisted_wrapper | ||
def test_full_protocol(self): | ||
# Fill routing tables | ||
yield self.introduce_nodes() | ||
yield self.deliver_messages() | ||
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# Store key value pair | ||
kv_pair = ('\x00' * 20, 'test1') | ||
yield self.nodes[0].overlay.store(*kv_pair) | ||
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# Check if the closest nodes have now stored the key | ||
for node in self.get_closest_nodes(kv_pair[0]): | ||
self.assertTrue(node.overlay.storage.get(kv_pair[0]), kv_pair[1]) | ||
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# Store another value under the same key | ||
yield self.nodes[1].overlay.store('\x00' * 20, 'test2') | ||
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# Check if we get both values | ||
values = yield self.nodes[-1].overlay.find_values('\x00' * 20) | ||
self.assertIn('test1', values) | ||
self.assertIn('test2', values) |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,42 @@ | ||
from twisted.internet.defer import inlineCallbacks, succeed | ||
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from Tribler.community.dht.provider import DHTCommunityProvider | ||
from Tribler.pyipv8.ipv8.util import blocking_call_on_reactor_thread | ||
from Tribler.Test.Core.base_test import TriblerCoreTest, MockObject | ||
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class TestDHTProvider(TriblerCoreTest): | ||
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@blocking_call_on_reactor_thread | ||
@inlineCallbacks | ||
def setUp(self, annotate=True): | ||
yield super(TestDHTProvider, self).setUp(annotate=annotate) | ||
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def mocked_find_values(key): | ||
return succeed(['\x01\x01\x01\x01\x04\xd2']) | ||
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def mocked_store(key, value): | ||
self.stored_value = value | ||
return succeed([]) | ||
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self.cb_invoked = False | ||
self.stored_value = None | ||
self.dhtcommunity = MockObject() | ||
self.dhtcommunity.find_values = mocked_find_values | ||
self.dhtcommunity.store = mocked_store | ||
self.dhtcommunity.my_estimated_lan = '1.1.1.1' | ||
self.dht_provider = DHTCommunityProvider(self.dhtcommunity, 1234) | ||
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def test_lookup(self): | ||
def check_result(result): | ||
self.cb_invoked = True | ||
self.assertEqual(result, [('1.1.1.1', 1234)]) | ||
self.dht_provider.lookup('a' * 20, check_result) | ||
self.assertTrue(self.cb_invoked) | ||
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def test_announce(self): | ||
def check_result(result): | ||
self.cb_invoked = True | ||
self.dht_provider.announce('a' * 20, check_result) | ||
self.assertTrue(self.cb_invoked) | ||
self.assertEqual(self.stored_value, '\x01\x01\x01\x01\x04\xd2') |
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I guess it's easier to use https://github.com/Tribler/py-ipv8/blob/master/ipv8/test/base.py#L93, instead of creating a new
MockIPv8
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Oh, I missed that function. Thanks!